noun Chiefly British.

a heavy overcoat.

Origin of greatcoat

First recorded in 1655–65; great + coat
Related formsgreat·coat·ed, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for greatcoat

Contemporary Examples of greatcoat

Historical Examples of greatcoat

British Dictionary definitions for greatcoat



a heavy overcoat, now worn esp by men in the armed forces
Derived Formsgreatcoated, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for greatcoat

"large, heavy overcoat," 1660s, from great + coat (n.).

Online Etymology Dictionary, © 2010 Douglas Harper